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type_eds.go
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type_eds.go
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/*
*
* Copyright 2021 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package xdsresource
import (
"google.golang.org/grpc/xds/internal"
"google.golang.org/protobuf/types/known/anypb"
)
// OverloadDropConfig contains the config to drop overloads.
type OverloadDropConfig struct {
Category string
Numerator uint32
Denominator uint32
}
// EndpointHealthStatus represents the health status of an endpoint.
type EndpointHealthStatus int32
const (
// EndpointHealthStatusUnknown represents HealthStatus UNKNOWN.
EndpointHealthStatusUnknown EndpointHealthStatus = iota
// EndpointHealthStatusHealthy represents HealthStatus HEALTHY.
EndpointHealthStatusHealthy
// EndpointHealthStatusUnhealthy represents HealthStatus UNHEALTHY.
EndpointHealthStatusUnhealthy
// EndpointHealthStatusDraining represents HealthStatus DRAINING.
EndpointHealthStatusDraining
// EndpointHealthStatusTimeout represents HealthStatus TIMEOUT.
EndpointHealthStatusTimeout
// EndpointHealthStatusDegraded represents HealthStatus DEGRADED.
EndpointHealthStatusDegraded
)
// Endpoint contains information of an endpoint.
type Endpoint struct {
Address string
HealthStatus EndpointHealthStatus
Weight uint32
}
// Locality contains information of a locality.
type Locality struct {
Endpoints []Endpoint
ID internal.LocalityID
Priority uint32
Weight uint32
}
// EndpointsUpdate contains an EDS update.
type EndpointsUpdate struct {
Drops []OverloadDropConfig
// Localities in the EDS response with `load_balancing_weight` field not set
// or explicitly set to 0 are ignored while parsing the resource, and
// therefore do not show up here.
Localities []Locality
// Raw is the resource from the xds response.
Raw *anypb.Any
}